main: 	li $s0, 17 			# initialize a = 17
		li $s1, 4 			# initialize b = 4
		add $s2, $s0, $s1 	# c = a + b

		move $a0, $s2 		# move the number to print into $a0.
		li $v0, 1 			# load syscall print_int into $v0.
		syscall 			# make the syscall.

exit: li $v0, 10			# load syscall 10 into $v0
		syscall				# syscall
